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Both species are introduced from Europe and are rarely established locally in disturbed places.

1. Inflorescence elongate, more than 4 times as long as broad; awns less than 2 mm long; ligules 0.52.5 mm long

C. cristatus

1. Inflorescence ± ovoid, less than 4 times as long as broad (excluding awns); awns (at least the longest) 1 cm or more long; ligules 2.55 mm long

C. echinatus

All species found in Cynosurus

Cynosurus cristatusDOGTAIL 
Cynosurus echinatusDOGTAIL 


MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. January 28, 2021. https://michiganflora.net/genus.aspx?id=Cynosurus.